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Multiple Ising Spins Coupled to 2d Quantum Gravity

Abstract:

We study a model in which p independent Ising spins are coupled to 2d quantum gravity (in the form of dynamical planar phi-cubed graphs). Consideration is given to the p tends to infinity limit in which the partition function becomes dominated by certain graphs; we identify most of these graphs. A truncated model is solved exactly providing information about the behaviour of the full model in the limit of small beta. Finally, we derive a bound for the critical value of the coupling constant, ...

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Publication status:
Published

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Authors


Harris, MG More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
Nucl.Phys. B
Volume:
427
Issue:
1-2
Pages:
111-138
Publication date:
1994-04-28
DOI:
ISSN:
0550-3213
URN:
uuid:4ebebf8e-5e6a-49cc-9123-991792684128
Source identifiers:
20882
Local pid:
pubs:20882
Keywords:

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